Inventor
SHUMWAY JIM
US14 patents
⚠️ This page may combine multiple inventors who share the name “SHUMWAY JIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALL DAVID R
6 patentsUS7301429B1Nov 27, 2007
Multiple frequency inductive resistivity device
HALL DAVID R44 citations95
US7600586B2Oct 13, 2009
System for steering a drill string
HALL DAVID R37 citations92
US7497279B2Mar 3, 2009
Jack element adapted to rotate independent of a drill bit
HALL DAVID R35 citations92
US8499857B2Aug 6, 2013
Downhole jack assembly sensor
HALL DAVID R9 citations84
US8498125B2Jul 30, 2013
Instrumentation package in a downhole tool string component
HALL DAVID R7 citations84
US7504963B2Mar 17, 2009
System and method for providing electrical power downhole
HALL DAVID R14 citations84
SCHLUMBERGER TECHNOLOGY CORP
5 patentsUS7967083B2Jun 28, 2011
Sensor for determining a position of a jack element
SCHLUMBERGER TECHNOLOGY CORP4 citations62
US7721826B2May 25, 2010
Downhole jack assembly sensor
SCHLUMBERGER TECHNOLOGY CORP5 citations62
US11767723B2Sep 26, 2023
Downhole transducer assemblies and pressure range control therein
SCHLUMBERGER TECHNOLOGY CORP0 citations61
US11255143B2Feb 22, 2022
Pressure range control in a downhole transducer assembly
SCHLUMBERGER TECHNOLOGY CORP1 citations61
US8378842B2Feb 19, 2013
Downhole component with an electrical device in a blind-hole
SCHLUMBERGER TECHNOLOGY CORP0 citations39